The following hypothesis, daily "doses of humor" will cause arthritis sufferers to use less pain medication and exercise longer, was listed in a study being critiqued. What kind of hypothesis is this?

Question

Quizplus · Accepted Answer

There are more than two variables involved, so it is a complex hypothesis. The hypothesis indicates a direction, "less pain medication" and "longer exercise," so it is directional.
A causation is predicted, so it is not associative, and there are more than two variables, so it is a complex hypothesis.
There is a prediction of causation in the hypothesis, but the hypothesis indicates a direction, "less pain medication" and "longer exercise," so it is directional.
The hypothesis is not simple because there are more than two variables, and it is directional because "less pain medication" and "longer exercise" are included.

The Following Hypothesis, Daily "Doses of Humor" Will Cause Arthritis